Answer:
18b - 45
Explanation:
What are like terms?
Like terms are terms that are similar. Ex: 19t - 2t. 19t and -2t are similar because they both have t in common.
Another way to write 36b - 45 - 18b is to combine like terms.
36b - 18b = 18b
So, to rewrite, 18b - 45.